Development of pupils' deep learning approach is an important goal of education nowadays, considering that a deep learning approach is mediating conceptual understanding and transfer. Different performance at PISA tests of Romanian and Hungarian pupils cause us to commence a study for the analysis of learning approaches employed by these pupils. Analysis of empirical data did not reveal any significant difference in learning strategies of the two groups. Interpretation of z tests analysis of empirical data revealed a larger variance in learning approaches of Romanian pupils comparing to Hungarian pupils.